Push bumper



FIG. 1 is a top, front, left side perspective view of the push bumper showing our new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a top, front, and right side perspective thereof.

The broken line showings of the openings and end caps form no part of the claimed design. 

CLAIM We claim the ornamental design for a push bumper, as shown and described. 